On the Cover

July-August 2008 Volume 96, Number 4

The polar bear on a melting iceberg has become the universal cliché
symbolizing global warming, but the penguin, the iconic animal from the
opposite end of the Earth, might be just as suitable. On the Antarctic
Peninsula—the long arm of land reaching toward the tip of South
America—winter temperatures have risen 6 degrees Celsius since 1950,
more than anywhere else in the world. ...

SCIENTISTS’ BOOKSHELF

A review of Re-engineering Philosophy for Limited Beings: Piecewise Approximations to Reality, by William C. Wimsatt, Integrating Evolution and Development: From Theory to Practice, edited by Roger Sansom and Robert N. Brandon, and Evidence and Evolution: The Logic Behind the Science, by Elliott Sober. Excellent work is being done in the field of philosophy of science, as these three very different titles show, says Ruse